Cast Aluminum Boot Instep Stretcher and Vamp Raiser is a high-performance professional device that stretches the instep of your boots. If you have a tight fitted area near the vamp of your boot (the area behind the toe box), this cast boot stretcher is perfect for you. Provide yourself with more room in the most difficult-to-stretch part of your boot. The Cast Aluminum Boot Instep Stretcher and Vamp Raiser is equipped with a screw mechanism that allows you to apply just the right amount of pressure to stretch your boots. A professional boot instep stretcher for dependable stretches Frees up space near the ankle area to prevent chafing Sturdy and robust cast aluminum construction Strong enough to stretch heavy-duty leather boots One size fits most